package com.cowain.monitor.datasources.aspect;

/**
 * PMS ehr-backend
 *
 * @Classname OperLogAspect
 * @Description TODO
 * @Date 2020-07-29 16:57
 * @Created 沈科举
 */

import com.alibaba.fastjson.JSON;
import com.cowain.monitor.datasources.annotation.OperLog;
import com.cowain.monitor.entity.PmsErpExceptionLogEntity;
import com.cowain.monitor.entity.PmsErpOpertionLogEntity;
import com.cowain.monitor.service.PmsErpExceptionLogService;
import com.cowain.monitor.service.PmsErpOpertionLogService;
import com.cowain.monitor.utils.PmsConstantUtils;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.AfterThrowing;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.context.request.RequestAttributes;
import org.springframework.web.context.request.RequestContextHolder;

import java.lang.reflect.Method;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * 切面处理类，操作日志异常日志记录处理
 *
 * @author wu
 * @date 2019/03/21
 */
@Aspect
@Component
public class OperLogAspect {


    @Autowired

    private PmsErpOpertionLogService operationLogService;


    @Autowired

    private PmsErpExceptionLogService exceptionLogService;

    /**
     * 设置操作日志切入点 记录操作日志 在注解的位置切入代码
     */

    @Pointcut("@annotation(com.cowain.monitor.datasources.annotation.OperLog)")
    public void operLogPoinCut() {

    }

    /**
     * 设置操作异常切入点记录异常日志 扫描所有controller包下操作
     */

    @Pointcut("execution(* com.cowain.monitor.service..*.*(..))")


    public void operExceptionLogPoinCut() {

    }

    /**
     * 正常返回通知，拦截用户操作日志，连接点正常执行完成后执行， 如果连接点抛出异常，则不会执行
     *
     * @param joinPoint 切入点
     * @param keys      返回结果
     */

    @AfterReturning(value = "operLogPoinCut()", returning = "keys")


    public void saveOperLog(JoinPoint joinPoint, Object keys) {
        // 获取RequestAttributes
        RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
        // 从获取RequestAttributes中获取HttpServletRequest的信息
//         HttpServletRequest request = (HttpServletRequest) requestAttributes
//         .resolveReference(RequestAttributes.REFERENCE_REQUEST);

        PmsErpOpertionLogEntity operlog = new PmsErpOpertionLogEntity();
        try {
            // 从切面织入点处通过反射机制获取织入点处的方法
            MethodSignature signature = (MethodSignature) joinPoint.getSignature();
            // 获取切入点所在的方法
            Method method = signature.getMethod();
            // 获取操作
            OperLog opLog = method.getAnnotation(OperLog.class);
            if (opLog != null) {
                String operModul = opLog.operModul();
                String operType = opLog.operType();
                String operDesc = opLog.operDesc();
                operlog.setOperModul(operModul); // 操作模块
                operlog.setOperType(operType); // 操作类型
                operlog.setOperDesc(operDesc); // 操作描述

            }
            // 获取请求的类名
            String className = joinPoint.getTarget().getClass().getName();
            // 获取请求的方法名
            String methodName = method.getName();
            methodName = className + "." + methodName;

            operlog.setOperMethod(methodName); // 请求方法

            // 请求的参数
//             Map<String, String> rtnMap = converMap(request.getParameterMap());
            // 将参数所在的数组转换成json
//             String params = JSON.toJSONString(rtnMap);

//             operlog.setOperRequParam(params); // 请求参数

            Object[] args = joinPoint.getArgs();
            String params = JSON.toJSONString(args);
            operlog.setOperRequParam(params); // 请求参数
            operlog.setOperRespParam(JSON.toJSONString(keys)); // 返回结果
            operlog.setOperUserName(PmsConstantUtils.PMS_USER); // 请求用户名称

            operlog.setOperCreateTime(new Date());
            int result=operationLogService.addPmsErpOpertionLogEntity(operlog);
            System.out.println(result);


        } catch (Exception e) {
            e.printStackTrace();

        }

    }

    /**
     * 131      * 异常返回通知，用于拦截异常日志信息 连接点抛出异常后执行
     * 132      *
     * 133      * @param joinPoint 切入点
     * 134      * @param e         异常信息
     * 135
     */

    @AfterThrowing(pointcut = "operExceptionLogPoinCut()", throwing = "e")


    public void saveExceptionLog(JoinPoint joinPoint, Throwable e) {
        // 获取RequestAttributes
        RequestAttributes requestAttributes = RequestContextHolder.getRequestAttributes();
//                 // 从获取RequestAttributes中获取HttpServletRequest的信息
//         HttpServletRequest request = (HttpServletRequest) requestAttributes
//         .resolveReference(RequestAttributes.REFERENCE_REQUEST);

        //请求方法
//        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        PmsErpExceptionLogEntity excepLog = new PmsErpExceptionLogEntity();
        try {
            // 从切面织入点处通过反射机制获取织入点处的方法
            MethodSignature signature = (MethodSignature) joinPoint.getSignature();
            // 获取切入点所在的方法
            Method method = signature.getMethod();
            // 获取请求的类名
            String className = joinPoint.getTarget().getClass().getName();
            // 获取请求的方法名
            String methodName = method.getName();
            methodName = className + "." + methodName;

            // 获取操作
            OperLog opLog = method.getAnnotation(OperLog.class);
            if (opLog != null) {
                String  operModul = opLog.operModul();
                String operType = opLog.operType();
                String operDesc = opLog.operDesc();
                excepLog.setOperModul(operModul); // 操作模块
                excepLog.setOperType(operType); // 操作类型
                excepLog.setOperDesc(operDesc); // 操作描述
            }


            // 请求的参数
//             Map<String, String> rtnMap = converMap(request.getParameterMap());
            // 将参数所在的数组转换成json
//             String params = JSON.toJSONString(rtnMap);
//             excepLog.setExcRequParam(params); // 请求参数

            Object[] args = joinPoint.getArgs();
            String params = JSON.toJSONString(args);
//            excepLog.setExcRequParam(params); // 请求参数
            excepLog.setOperMethod(methodName); // 请求方法名
            excepLog.setExcName(e.getClass().getName()); // 异常名称

            excepLog.setExcMessage(stackTraceToString(e.getClass().getName(), e.getMessage(), e.getStackTrace())); // 异常信息
            excepLog.setOperUserName(PmsConstantUtils.PMS_USER); // 操作员名称
//             excepLog.setOperUrl(request.getRequestURI()); // 操作URI
//             excepLog.setOperIp(IPUtils.getIpAddr(request)); // 请求IP
            excepLog.setOperCreateTime(new Date()); // 发生异常时间

           int result= exceptionLogService.addPmsErpExceptionLogEntity(excepLog);


        } catch (Exception e2) {
            e2.printStackTrace();

        }


    }

    /**
     * 180      * 转换request 请求参数
     * 181      *
     * 182      * @param paramMap request获取的参数数组
     * 183
     */


    public Map<String, String> converMap(Map<String, String[]> paramMap) {
        Map<String, String> rtnMap = new HashMap<String, String>();
        for (String key : paramMap.keySet()) {
            rtnMap.put(key, paramMap.get(key)[0]);

        }
        return rtnMap;

    }

    /**
     * 转换异常信息为字符串
     *
     * @param exceptionName    异常名称
     * @param exceptionMessage 异常信息
     * @param elements         堆栈信息
     */


    public String stackTraceToString(String exceptionName, String exceptionMessage, StackTraceElement[] elements) {
        StringBuffer strbuff = new StringBuffer();
        for (StackTraceElement stet : elements) {
            strbuff.append(stet + "\n");

        }
        String message = exceptionName + ":" + exceptionMessage + "\n\t" + strbuff.toString();
        return message;

    }
//    //获取切入点的方法参数
//    public void logMethodCall(JoinPoint jp) throws Throwable {
//        System.out.println("进入后置增强了！");
//        String name = jp.getSignature().getName();
//        System.out.println(name);
//        Object[] args = jp.getArgs();
//        for (Object arg : args) {
//            System.out.println("参数：" + arg);
//        }
//    }


}

